CN1450937A - Liquid sprayers - Google Patents

Liquid sprayers Download PDF

Info

Publication number
CN1450937A
CN1450937A CN01813359A CN01813359A CN1450937A CN 1450937 A CN1450937 A CN 1450937A CN 01813359 A CN01813359 A CN 01813359A CN 01813359 A CN01813359 A CN 01813359A CN 1450937 A CN1450937 A CN 1450937A
Authority
CN
China
Prior art keywords
hole
exhaust
exhaust flange
liquid
pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN01813359A
Other languages
Chinese (zh)
Inventor
A·D·斯特罗伊特克
T·E·朗格文
R·J·古德
K·－N·候
S·L·斯维顿
P·J·迪马吉奥
M·J·默里
E·M·圣皮埃尔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procter and Gamble Ltd
Procter and Gamble Co
Original Assignee
Procter and Gamble Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US09/624,061 external-priority patent/US6502766B1/en
Application filed by Procter and Gamble Ltd filed Critical Procter and Gamble Ltd
Publication of CN1450937A publication Critical patent/CN1450937A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
    • B05B9/085—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump
    • B05B9/0855—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump the pump being motor-driven
    • B05B9/0861—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump the pump being motor-driven the motor being electric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0037—Containers
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/0206—Combined operation of electric switch and of fluid control device

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Nozzles (AREA)
  • Sorption Type Refrigeration Machines (AREA)

Abstract

A liquid sprayer (20) is provided. This liquid sprayer includes a bottle (22) having an opening and a sprayer housing attached to the bottle. This sprayer housing includes an electric motor (26), a voltage source for powering the electric motor, a pump (28) driven by the motor, a switch (40) for completing an electrical circuit, a nozzle mechanism attached to the sprayer housing for spraying a liquid. The liquid sprayer also includes a venting mechanism which comprises a vent housing (32) having an inner surface and an outer surface, and a translating piston (30) disposed in the vent housing. The sprayer housing also includes a trigger (34) movably connected to the sprayer housing for closing the switch and translating the piston, a first vent tube (52) extending from the opening of the bottle to a first opening (132) of the vent housing, a second vent tube (58) extending from the second opening (232) of the vent housing to the first opening of the nozzle mechanism, a pump supply tube (54) extending from the opening of said bottle to an inlet of the pump and a pump discharge tube (56) extending from the outlet of the pump to the second opening of the nozzle mechanism.

Description

Liquid dispenser
The mutual reference of related application
The application is the earlier application of filing an application on July 24th, 2000, the part continuation application of U.S.'s serial number 09/624,061.
Technical field of the present invention
The present invention relates to the field of liquid dispenser, more particularly, relate to the field of liquid dispenser with driving one pump motor.
Background of the present invention
Sprayer generally is used for liquid spraying, so that be small droplet with the atomization of liquid.The atomizing of liquid makes this liquid can cover a surface better.Usually, sprayer comprises that one is used for storaging liquid and is connected container on the atomizer head.This atomizer head comprises the trigger of starting one pump, and this pump drives liquid in nozzle, and nozzle is transferred atomized liquid.These sprayers are manual drives, need the end user to promote trigger several times, as long as he wishes liquid is sprayed.Except the needs end user promotes the trigger several times, the sprayer of these manual drives can only keep a uniform spray pattern a quite short time.One of improvement that sprayer is carried out is to make it comprise a motor and a compact power that connects a switch.These power sprayes only need the end user to promote trigger once just can to keep this trigger to be pushed to the end user wishing so long time to liquid spraying.The use of these sprayers is subjected to the restriction of providing performance for oneself of its power supply, therefore, one of problem that the inventor faces provides a kind of mechanism that uses power supply energy effectively, thereby improves a kind of like this service life of device, and need not recharge or change power supply prematurely to power supply.Can consider easily that use switch, the electric parts of motor and power supply and so on make these power sprayes very sensitive to liquid, may cause the maloperation of device when liquid contacts these parts.Therefore, another problem of facing of these sprayers provides a kind of device that can limit the danger that liquid to be sprayed can contact with these electric components.When sprayer is used for the liquid of suitable large volume sprayed on such as carpet, sofa or window, if this sprayer can both be carried liquid and needn't be more convenient to the end user so to its battery recharge before the container of sprayer is with sky.In order quite promptly to cover this surface, it is also important that this sprayer can carry the liquid of large volume and this sprayer to produce a uniform spray pattern (for example a diameter the circular spray pattern of 9cm) at least with same quite high flow (as the flow of at least 120 μ l/min).
For above-mentioned reason, need the power spraye of the higher danger that can limit the maloperation that produces owing to the solution contact electric component of being sprayed of a kind of efficient.Also need a kind of sprayer that once can produce separately a uniform spray pattern between charge period to the liquid spraying of large volume simultaneously with as far as possible little flow at battery.
Brief summary of the invention
A kind of liquid dispenser is provided.In an embodiment who does not provide constraints, this liquid dispenser comprises that one has the bottle in a hole, a sprayer seat that is attached on this bottle.This sprayer seat comprises that a motor, one supply with the power supply of motor power, one and be attached at nozzle mechanism, the exhaust flange that an inner surface and an outer surface are arranged that is used on this sprayer seat the liquid spraying by the switch, that this electric motor driven pump, are used to finish a circuit, and a mobile piston that is placed in this exhaust flange.This body spray seat comprises that also one movably is connected on the sprayer seat for use in closed this switch and moves downtake pipe that the trigger of this piston, hole from this bottle extend to one first hole of this exhaust flange, second hole from this exhaust flange and extends to pump supply pipe and pump main that extends to second hole of this nozzle mechanism from this delivery side of pump that the second exhaust pipe in first hole of this nozzle mechanism, a hole from described bottle extend to an inlet of this pump.
The accompanying drawing summary
Particularly point out the present invention and clearly the present invention is proposed claim though this specification comprises with claim, can believe, will be better understood the present invention from conjunction with the accompanying drawings following description, in the accompanying drawing:
Fig. 1 is the perspective view that expression is connected the liquid dispenser of the atomizer head on the bottle;
Fig. 2 is the exploded view of a kind of preferred liquid dispenser of making according to the present invention, but has for clarity sake saved this bottle;
Fig. 2 A is the partial enlarged drawing of Fig. 2, the semicircle orifice on representing following;
Fig. 3 is the perspective view that does not have upper casing and one following 's the sprayer that assembles;
Fig. 4 is the sectional view along the intercepting of the line 4-4 among Fig. 5 of the exhaust flange of the liquid dispenser of Fig. 2;
Fig. 5 is the side view of the exhaust flange of Fig. 2;
Fig. 6 is the side cross-sectional view along the intercepting of the line 6-6 among Fig. 7 of the exhaust pition of the liquid dispenser of Fig. 2;
Fig. 7 is the side view of exhaust pition of the liquid dispenser of Fig. 2;
Fig. 8 is the side cross-sectional view that has the exhaust gear that is in the first position of trigger, switch, has wherein for clarity sake saved the compression spring;
Fig. 9 has trigger and the side cross-sectional view of the closed exhaust gear that is in the second place of switch, has wherein for clarity sake saved the compression spring;
Figure 10 is the sectional view along the intercepting of the line 10-10 among Fig. 9 of the exhaust flange that has mobile piston;
Figure 11 is the partial enlarged drawing of Figure 10, the distortion of expression herringbone parts;
Figure 12 is the sectional view of accessory, check-valves and dipping tube;
Figure 13 is the side cross-sectional view with nozzle mechanism of nozzle connection, drain valve, free-wheeling system and nozzle in the liquid dispenser of Fig. 2.
Preferred embodiment describes in detail
In detail with reference to the preferred embodiments of the present invention, its example is illustrated in the accompanying drawing now, and identical label is represented same parts in institute's drawings attached, the similar parts of label (as 20 and 120) hint that wherein last two digits is identical.With reference to Fig. 1, a kind of preferred liquid dispenser 20 that various liquid components are sprayed of being suitable for of illustration among the figure, this sprayer comprises a bottle 22 and an atomizer head 24.Though this liquid dispenser 20 is particularly suitable for the household liquids composition, it also can be used for other liquid component.About 1 liter of the capacity of bottle 22, but also can adopt other volume.
With reference to Fig. 2, atomizer head 24 comprises following 224,324 that upper casing 124 is connected with two available buckles or screw.The atomizer head that replaces three parts of this usefulness 124,224,324 to make also can adopt other holder structure and not depart from protection domain.In the atomizer head 24 spraying mechanical is arranged, comprise a motor 26 and an exhaust gear that directly is connected on the gear pump 28, this exhaust gear comprises the exhaust pition 30 and the spring 33 along plate machine 34 these exhaust pitions of direction bias voltage that can be placed in slidably in the exhaust flange 32.As shown in Fig. 8 and 9, the primary importance of exhaust pition 30 in exhaust flange 32 stops exhaust to produce, and the second place of exhaust pition 30 in exhaust flange 32 makes exhaust to produce in bottle 22.This exhaust gear will be described in the back in more detail.When assembling during this liquid dispenser, about trigger 34 can be connected versatilely on the seat 224 and 324.Trigger 34 moves and Closing Switch 40 exhaust pition 30 in exhaust flange 32.Preferably, exhaust pition and switch are configured to that exhaust pition 30 begins to move before trigger 34 Closing Switch 40.Most preferably, exhaust pition 30 and switch 40 are configured to that this exhaust pition is positioned at the second place before trigger 34 Closing Switch 40, thereby can exhaust.When being subjected to trigger when closed, switch 40 is finished a circuit between a compact power that is expressed as a plurality of batteries 42 and motor 26, and driving gear pump 28 thus.Though pump 28 is preferably the gear pump form, also can use other pump and other structure to come to be transported in the nozzle mechanism 60 to the liquid pressurization with this liquid.For example, can use vane pump, piston pump, lobe pump or diaphragm pump.Gear pump 28 is arranged in each two groove of 224 and 324 and remains on the position by being engaged on.
In one embodiment of the invention, downtake pipe 52 is connected on first hole 132 of exhaust flange 32 and towards the hole of bottle 22 and extends, and pump supply pipe 54 is connected on the inlet 128 of gear pump 28 and also extends to the hole of bottle 22.Pump main 56 makes pump discharge 228 be connected with nozzle connection 160 by first passage 160a.Second exhaust pipe 58 makes second hole 232 of exhaust flange 32 be connected with a hole of sprayer seat, wherein this steam vent environmental exposure towards periphery.In another embodiment of the present invention, second exhaust pipe 58 makes second hole 232 of exhaust flange 32 be connected with a steam vent 160b on being placed in nozzle connection 160, and wherein this steam vent is by each semi-circular cut-out 62 in 224 and 324 environmental exposure towards periphery.Steam vent 160b upwards settles and leaves vertically switch 40, therefore is positioned at significantly downward position and liquid can enter under the situation of this blast pipe at sprayer, and this liquid will leave switch 40 and drip, thereby limit the danger of liquid contact-making switch basically.As a result, steam vent 160b is placed in the maloperation that sprayer has been limited in position on the nozzle connection 160.Nozzle connection 160 has a hollow stem, and this hollow stem passes each bigger semi-circular cut-out 66 in 224 and 324.Drain valve 260 and free-wheeling system 360 are placed in this hollow stem.A nozzle 460 is installed on this nozzle connection, as shown in Figure 13.
In one embodiment of the invention, accessory 44 as shown in Fig. 3 and Figure 12 is placed in down near the bottom of seat 224,324, and comprises a bayonet type annex, is used to mesh the annex of a complementation on the terminal 122 of bottle 22.Accessory 44 is arranged in each two groove of 224 and 324 and remains in position by being engaged on.Accessory 44 comprises first and second passages 144 and 244.Downtake pipe 52 makes first passage 144 be connected with one first hole 132 of exhaust flange 32, and pump supply pipe 54 makes second channel 244 be connected with the inlet 128 of gear pump 28.One first check-valves 70 is connected on the first passage 144 and prevents that liquid can flow out this bottle significantly when bottle 22 is in basically to upper/lower positions.One second check-valves 72 is connected on the second channel 244 and prevents that liquid can flow into bottle 22 significantly again when pump 28 inoperation.A dipping tube 80 stretches out from the bottle 22 and first check-valves, so that to this sprayer feed fluid.Can add a dip tube filter 82 at the lower end of dipping tube 80, arrive nozzle with the particle that prevents the possibility plug nozzle.To the liquid spraying, gear pump 28 needs starting at first for effectively.By preventing that when the end user unclamps trigger 34 liquid from reentering this bottle significantly, second check-valves 72 has been eliminated behind each use sprayer and has been reset the necessity of gear pump, thereby has improved the efficient of this liquid dispenser by the conserver power source energy.Therefore, 72 pairs of saving of check-valves compact power has played effect.The cracking pressure of check-valves 72 should be enough big, makes the liquid enter pump supply pipe 54 have enough energy and be driven through gear pump 28, be ground into small droplet by nozzle mechanism 60 and with liquid.First and second check-valves 70 and 72 can be the check-valves of other type usually known in ball valve or this technology, as diaphragm valve.In another embodiment of the present invention, accessory 44 comprises an anti-leak seal in its lower end, to prevent from this bottle leakage liquid.
Motor 26 is dc motor preferably.Motor 26 has two electric connections 126 and 226, preferably connects the compact power (being expressed as a plurality of batteries 42) of connecting with switch 40 with electric wire on it.When driving trigger 34, mobile piston 30 arrives the second place, therefore produces exhaust significantly before switch 40 closures.When switch 40 closures, an electric current flows through motor 26, makes the gear rotation of pump 28 and produces a pressure that is enough to open check-valves 72, makes liquid can flow through nozzle 60.Before switch 40 closures, produce exhaust significantly and can drive the efficient that preceding ambient pressure equate to help to improve this liquid dispenser by making pressure of the inside of a bottle and pump.A kind of motor of demonstration is the motor of 3 volts to 6 volts 200 or 300 series making of Chinese Mabuchi industrial corporation.Preferably this motor is a kind of 4.5 volts of RS360SH types being made by Mabuchi industrial corporation.A kind of rose of demonstration is made by Calmar company, is described in more fully in the U.S. Patent No. 4,706,888 of Dobbs etc. of issue on November 17th, 1987, and its content is fully with reference to being incorporated in this.Sprayer seat 124,224,324, nozzle mechanism 60, gear pump 28, accessory 44, exhaust flange 32 and exhaust pition 30 can form with thermoplastic injection molding known in this technology.Preferably, free-wheeling system, accessory, exhaust flange and nozzle interface are made with polypropylene, and pump case, pump cap and pump gear are made with acetal polymer.Preferably, sprayer seat 124,224,324 and trigger are made with acrylonitrile-butadiene-styrene (ABS) and polysilicates.Preferably, exhaust pition and nozzle are made with polyethylene.Power supply 42 can be rechargeable or non-rechargeable battery.Under the situation of non-rechargeable battery, power supply 42 preferably three saves the 1.5 volts of Panasonics of AA type of series connection or the alkaline battery of Sanyo.
According to one aspect of the present invention, this exhaust gear is described in more detail now with reference to Fig. 4 to Figure 11.This exhaust gear comprises an exhaust flange 32 and a mobile piston 30.This exhaust flange is the hollow cylinder of one one end sealing preferably, and two holes 132 and 232 that are positioned on the cylindrical wall are arranged.Preferably, these two holes separate along the axis A-A of exhaust flange, as shown in Figure 4.The other end of this exhaust flange is open, makes mobile piston 30 can enter this exhaust flange.As shown in Figure 6, mobile piston 30 is the cylinder of its diameter less than the exhaust flange internal diameter basically, so piston 30 can slide in exhaust flange 32.When using according to the present invention, an end of mobile piston is closed, and the other end contacts with trigger 34, so the motion of trigger will make piston move in exhaust flange.This mobile piston also comprises first and second deformable component, and their part has a surface that contacts with the inner surface of exhaust flange also can be out of shape and stays next gap.This first deformable component is placed on this mobile piston like this, make when this piston be positioned at as shown in Figure 8 primary importance and during the second place shown in Fig. 9, air can not flow between the open end of second hole 232 and exhaust flange 32.Second deformable component is placed on the mobile piston 30 like this, make when this piston is positioned at primary importance shown in Fig. 8, air can not flow between first hole 132 and second hole 232, and when this piston was positioned at the second place shown in Fig. 9, air can flow between first hole 132 of exhaust flange 32 and second hole 232.In one embodiment of the invention, these deformable component are the first and second herringbone parts 130 and 230, are positioned on the outer surface of this mobile piston.As described herein, herringbone parts preferably one have one be connected to edge on this mobile piston outer surface can crooked ring.When watching from the side, these herringbone parts have V-arrangement.When molded piston, these herringbone parts also can be formed on the piston face.The maximum gauge of these herringbone parts is greater than the internal diameter of exhaust flange, and therefore when mobile piston slided in exhaust flange, other edge of herringbone body component contacted basically with the inner surface of exhaust flange.As a result, air can not flow through these herringbone parts, thereby a kind of sealing effectiveness is provided.In one embodiment of the invention, exhaust flange comprises the mechanism that is used to make 230 distortion of the second herringbone parts, and on the exhaust flange inner surface between first and second holes.When driving trigger 34, mobile piston leaves its primary importance and shifts to this deformation mechanism.When the second herringbone parts 230 ran into this deformation mechanism, it was deformed and stays next gap, so the piston arrives second place.Because the gap that distortion produced of herringbone parts, air can flow between first hole of exhaust flange and second hole, thereby can exhaust.This deformation mechanism will make the second herringbone parts keep being deformed to trigger 34 Closing Switch 40 at least.A kind of like this deformation mechanism can for example be that at least one is from the outstanding parts of exhaust flange inner surface.This parts can be in first hole of exhaust flange and the fin on the exhaust flange inner surface between second hole or the shape of floor 332, but can utilize other parts that same effect is provided.These parts can be fixed on or directly be molded on the inner surface of exhaust flange.Preferably, as shown in Figure 4, the inner surface of exhaust flange has four this kind parts.In another embodiment of the present invention, this exhaust gear also comprises a compression spring, is arranged in exhaust flange, and this mobile piston of bias voltage, makes that mobile piston is got back to its primary importance when the end user unclamps trigger.In one embodiment of the invention, this compression spring fin 432 of stretching to its open end by the blind end from exhaust flange remains on the center of exhaust flange.
In another embodiment of the present invention, compact power 42 is become by the rechargeable battery that is connected by electric wire on the printed circuit board (PCB) 84, and printed circuit board (PCB) 84 comprises a battery charger socket 86 that stretches out by the sprayer seat.In case battery has been put electricity, the end user can be connected this charger socket on the charger, thereby to battery recharge.In this embodiment of the present invention, compact power 42 is the nickel-cadmium cell of 1.2 volts of Moltech companies of rechargeable AA type of three joint series connection preferably.
Test method
Utilization comprises that an above-mentioned power spraye that a hole is arranged and be full of the container of liquid has carried out a series of tests, a sprayer seat is attached on this container, and described sprayer seat comprises a motor, a compact power of supplying with motor power, one by this electric motor driven gear pump, a switch of finishing circuit, one is attached on the described sprayer seat with the nozzle mechanism to the liquid spraying, the exhaust gear that pressure of the inside of a bottle is equated with atmospheric pressure, the trigger that can be connected versatilely on the described sprayer seat with the described switch of closure, pump supply pipe and pump main that stretches to the hole of described nozzle mechanism from described delivery side of pump of the inlet of described pump stretched in a hole from described bottle.The motor of a demonstration is the motor of 3 volts to 6 volts 200 or 300 series making of Chinese Mabuchi industrial corporation.Preferably, this motor is 4.5 volts of RS360SH types of Mabuchi industrial corporation manufacturing.The rose of a demonstration is made by Calmer company, and is described in more fully in the people's such as Dobbs that issued on November 17th, 1987 the U.S. Patent No. 4,706,888, and its content is fully with reference to being incorporated in this.In this experiment, this gear pump comprise a pump case, travelling gear, idle gear, one have the panel of pump discharge, first seal that is placed between pump case and the panel, and second seal around motor reel.This pump case directly is attached on the motor casing with two screws.Because the compact size and the shape of motor and gear pump combination, this equipment can be used for using with the various aqueous solution in the various utensils and therefore.This experiment is to carry out with the liquid with following ingredients:
Compound The weight percent of composition
The hydroxypropyl beta cyclodextrin 1.1
Kathon CG II anticorrisive agent 0.0003
Hydrochloric acid 0.011
Diethylene glycol (DEG) 0.38
Polyacrylic acid 0.1
Silwet L-7600 surfactant 0.1
Ethanol 3
The Artica Breeze spices that does not contain PCM 0.12
Deionized water 95.1887
In this experiment, this compact power is the nickel-cadmium cell of 1.2 volts of Moltech companies of the three rechargeable AA types of joint preferably, and they are chargings series connection and abundant.This battery component is sold with reference number ECF-800AA and is made by the Moltech Energetics Systems Corp. that is positioned at Fla. Gainesville city.The assembly of this three batteries can provide the terminal voltage of 3.0V when 160mA, 23 ℃ of continuous operations 5 hours at least.This battery component capacity when nominal voltage 1.2V is 800mA.h, and effectively interior usually resistance is 37 milliohms, and terminal voltage is 1V, heavy 0.07Kg, then can carry 0.8W.h, and have the energy storage density of about 34W.h/kg.Each battery has 7.8 cubic centimetres volume.
The purpose of these tests is how the spray pattern and the flow of definite liquid dispenser that uses with liquid when battery life is decayed changes.
In this experiment, desired substance comprises 10 the fully bottle that is full of liquid, beaker, scale, timer, empty barrel, one spray pattern testing stand and the spray pattern test paper of charging and the liquid dispensers of numbering, 1 liter of capacity.When each on-test, liquid dispenser fully charges and atmospheric pressure and controlled temperature and humidity (73 or 23 ℃ ± 1 ℃ are brought into the room, laboratory under 50% ± 2%RH).Empty beaker to a drying is weighed, and then beaker is placed in the testing stand.Liquid dispenser is attached at one and is full of on the bottle of being with look liquid, is placed in then under the beaker, makes just to fall into this beaker in case drive sprayer trigger liquid.The trigger and the timer of liquid dispenser drive simultaneously, keep 30 seconds when spraying enters beaker.After 30 seconds, unclamp trigger, then beaker is weighed, the gram number of contained liquid in the beaker is recorded on the data sheet.Then liquid in the beaker is emptied in the empty bucket, the beaker of firm turned letter is weighed again, beaker is put back in the testing stand, and begins 30 seconds new spray cycles.In case sprayer stops trigger just being unclamped in the liquid spraying bottle with sky, notes the time, and bottle is refilled liquid.Can recover spraying then, up to 30 seconds end cycles.This test is carried out in 10 liquid dispensers each, up to each liquid dispenser since battery put electric fully and can not carry liquid.Can have once each device of charging total amount of liquid of being sprayed separately of battery by measured liquid quality being converted to liquid volume and these volumes being added in to come together to measure from data sheet then.Convert liquid volume to by the liquid quality that will measure in each cycle, can also measure the flow of the liquid of being sprayed.Because one-period continues 30 seconds,, just can obtain the flow of measuring with ml/min so the liquid volume that each cycle is measured doubles.
Liquid dispenser under these conditions can be to spraying at least about 2.2 liters of liquid between the once independent charge period of battery.Preferably, this liquid dispenser can be to spraying at least about 2.3 liters of liquid between the once independent charge period of battery.Most preferably, this liquid dispenser can be to spraying at least about 2.4 liters of liquid between the once independent charge period of battery.In some cases, observing this sprayer can be to 3.5 liters or more liquid spraying.
This liquid dispenser also can battery once separately between charge period with the flow of 120ml/min at least at least about 1.5 liters of liquid sprayings.Preferably, this liquid dispenser can battery once separately between charge period with the flow of 120ml/min at least at least about 1.8 liters of liquid sprayings.Most preferably, this liquid dispenser can battery once separately between charge period with the flow of 120ml/min at least at least about 2.2 liters of liquid sprayings.In some cases, observing this sprayer can be with the flow of 120ml/min at least to 3 liters or more liquid spraying.
In addition, in this experiment, spray pattern is defined as by the liquid of being sprayed on the surface apart from the place covering from the about 15.2cm of nozzle (or 6 inches).In order to measure the spray pattern of sprayer, set up a spray pattern platform of forming by chest, this chest has a first wall with a hole, and this hole is even as big as inserting the nozzle of liquid dispenser.Second wall of facing the first wall that above-mentioned hole is arranged of this chest and the nozzle in the inserting hole are at a distance of about 15.2cm (or 6 inches), and a piece of paper is attached on this second wall.Periodically, the most handy beaker is measured per three cycles, just sprayer is placed in this spray pattern platform and drives trigger, makes and can see a spray pattern on this paper.The time that drives trigger is quite short, but by chance is long enough to obtain on paper a figure.Therefore, the energy that is used to obtain this spray pattern can not influence result of the test significantly.Shift out this paper and measurement from the spray pattern platform then.At this experimental session, observing spray pattern has two circular basically concentric edge.The border at two edges is perfectly clear, by measuring the diameter of a circle that is defined by these two edges and getting the diameter that its mean value calculates spray pattern.
This liquid dispenser battery once separately between charge period can be under the distance of the about 15.2cm of sprayer to spraying at least about 2.1 liters of liquid and producing the diameter spray pattern of 9cm at least simultaneously.Preferably, this liquid dispenser battery once separately between charge period can be under the distance of the about 15.2cm of sprayer to spraying at least about 2.3 liters of liquid and producing the diameter spray pattern of 9cm at least simultaneously.Most preferably, this liquid dispenser battery once separately between charge period can be under the distance of the about 15.2cm of sprayer to spraying at least about 2.5 liters of liquid and producing the diameter spray pattern of 9cm at least simultaneously.In some cases, observe this sprayer and between the once independent charge period of battery, under the distance of the about 15.2cm of sprayer, can and produce the diameter spray pattern of 9cm at least simultaneously 3.1 liters of liquid sprayings.
This liquid dispenser battery once separately between charge period also can be so that the 120ml/min flow is sprayed to liquid at least under the distance of the about 15.2cm of sprayer to spraying at least about 1.5 liters of liquid and producing the diameter spray pattern of 9cm at least simultaneously.Preferably, this liquid dispenser battery once separately between charge period can be so that the flow of 120ml/min is sprayed to liquid at least under the distance of the about 15.2cm of sprayer to spraying at least about 1.8 liters of liquid and producing the diameter spray pattern of 9cm at least simultaneously.Most preferably, this liquid dispenser battery once separately between charge period can be so that the flow of 120ml/min is sprayed to liquid at least under the distance of the about 15.2cm of sprayer to spraying at least about 2.2 liters of liquid and producing the diameter spray pattern of 9cm at least simultaneously.In some cases, observe this sprayer once separately under the distance of the about 15.2cm of sprayer, can 3 liters of liquid sprayed and be produced the diameter spray pattern of 9cm at least simultaneously so that the flow of 120ml/min is sprayed to liquid at least between charge period at battery.
Should be appreciated that the amount of liquid of enumerating in this description (as at least about 2.3 liters) also comprise bigger in succession amount of liquid (as at least about 2.4,2.5,2.6 ... or the like), even these numerals are not here enumerated especially.This is applicable to all above-mentioned conditions.
The above-listed description of the preferred embodiments of the present invention has been used for illustration and purpose of description.Do not plan the present invention is covered the description of nothing left ground or it is limited to disclosed exact form.The professional of this technical field can make amendment or change according to the above description, and the embodiment that is discussed is for the most clearly illustration principle of the present invention and practical application thereof and selected and describe.Scope of the present invention will be subjected to the qualification of the claims by the appended claims herein.

Claims (11)

1. liquid dispenser, comprise a bottle that a hole is arranged, a sprayer seat that attaches to this bottle, this sprayer seat also comprises a motor, a power supply of supplying with this motor power, one by this electric motor driven pump, finish-switch of circuit for one, one has one first and second hole and is attached at the nozzle mechanism that is used for spray solution on this sprayer seat, one can be connected on this sprayer seat versatilely with closed this switch and the trigger that begins exhaust in the bottle, a pump supply pipe and a pump main that extends to first hole of this nozzle mechanism from an outlet of this pump that extends to an inlet of this pump from described bottle hole, it is characterized in that this liquid dispenser also comprises:
The exhaust flange that one inner surface and an outer surface are arranged;
A mobile piston that is placed in this exhaust flange and can moves by this trigger;
A downtake pipe that extends to one first hole of this exhaust flange from described bottle hole; And
A second exhaust pipe that extends to one second hole of this nozzle mechanism from one second hole of this exhaust flange.
2. liquid dispenser, comprise a bottle that a hole is arranged, a sprayer seat that attaches to this bottle, this sprayer seat also comprises a motor, a power supply of supplying with this motor power, one by this electric motor driven pump, a switch of finishing a circuit, one is attached at the nozzle mechanism that is used for spray solution on this sprayer seat, one can be connected on this sprayer seat versatilely with closed this switch and the trigger that begins bottle interior exhaust, a pump supply pipe and a pump main that extends to a hole of this nozzle mechanism from an outlet of this pump that extends to an inlet of this pump from described bottle hole, it is characterized in that this liquid dispenser also comprises:
The exhaust flange that one inner surface and an outer surface are arranged;
A mobile piston that is placed in this exhaust flange and can moves by trigger;
Hole from described bottle extends to the downtake pipe in one first hole of this exhaust flange; And
A second exhaust pipe that extends to a hole this sprayer seat from one second hole of this exhaust flange.
3. exhaust gear, comprise an exhaust flange, this exhaust is with an inner surface, one first hole and one second hole and a mobile piston that is placed in the described exhaust flange, it is characterized in that, this mobile piston comprises one first and one the second herringbone parts of annular basically, make this first and second basically the edge separately of herringbone parts of annular contact with the inner surface of this exhaust flange, thereby make the primary importance of described mobile piston in described exhaust flange stop air between described first hole of this exhaust flange and described second hole, to flow, and the second place of described mobile piston in described exhaust flange can flow air between described first hole of this exhaust flange and described second hole.
4. a liquid dispenser as claimed in claim 1 or 2 or a kind of exhaust gear as claimed in claim 3, it is characterized in that, this mobile piston comprises one first and one the second herringbone parts of annular basically, make this first and second basically the edge separately of herringbone parts of annular contact with the inner surface of this exhaust flange, thereby make the primary importance of described mobile piston in described exhaust flange stop air between described first hole of this exhaust flange and described second hole, to flow, and the second place of described mobile piston in described exhaust flange can flow air between described first hole of this exhaust flange and described second hole.
5. a kind of liquid dispenser as claimed in claim 4 or a kind of exhaust gear, it is characterized in that, this exhaust flange also comprises outstanding and be placed at least one parts between first and second holes of this exhaust flange from the inner surface of this exhaust flange, make this mobile piston towards this parts mobile cause this second basically annular the herringbone parts to small part distortion and stay next allow air from first hole of this exhaust flange to the moving gap of second orifice flow.
6. a kind of liquid dispenser as claimed in claim 5 or a kind of exhaust gear is characterized in that, this comprises four fin from the outstanding parts of this exhaust flange.
7. as claim 5 or 6 described a kind of liquid dispenser or a kind of exhaust gears, it is characterized in that this exhaust flange also comprises a compression spring, this spring is configured to make this mobile piston to be subjected to the volume pressure effect of this compression spring.
8. liquid dispenser as claimed in claim 1 or 2, it is characterized in that, this sprayer comprises that also is placed near the accessory in sprayer seat bottom, this accessory comprises first and second channel, and wherein, this downtake pipe extends to the first passage of this accessory from first hole of exhaust flange, and this pump supply pipe extends to an inlet of this pump from the second channel of this accessory.
9. liquid dispenser as claimed in claim 8, it is characterized in that, this accessory also comprises one first check-valves and one second check-valves, this first check-valves is connected on this first passage, and when being in the roughly downward position, this liquid dispenser prevents that liquid from entering downtake pipe, this second check-valves is connected on this second channel, prevents that liquid from reentering in this bottle.
10. a liquid dispenser as claimed in claim 7 is characterized in that, this mobile piston and this switch dispose like this with respect to described sprayer seat, makes to be in this switch of this second place just by the trigger closure at mobile piston.
11. a liquid dispenser as claimed in claim 1 is characterized in that this nozzle mechanism is settled vertically, and upwards leaves this switch, makes that the liquid in this nozzle mechanism is not dropped on this switch when this liquid dispenser is in roughly to upper/lower positions.
CN01813359A 2000-07-24 2001-07-24 Liquid sprayers Pending CN1450937A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US09/624,061 US6502766B1 (en) 2000-07-24 2000-07-24 Liquid sprayers
US09/624,061 2000-07-24
US63848300A 2000-08-14 2000-08-14
US09/638,483 2000-08-14

Publications (1)

Publication Number Publication Date
CN1450937A true CN1450937A (en) 2003-10-22

Family

ID=27089591

Family Applications (2)

Application Number Title Priority Date Filing Date
CN01813358A Pending CN1444511A (en) 2000-07-24 2001-07-24 Liquid sprayer
CN01813359A Pending CN1450937A (en) 2000-07-24 2001-07-24 Liquid sprayers

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN01813358A Pending CN1444511A (en) 2000-07-24 2001-07-24 Liquid sprayer

Country Status (10)

Country Link
US (1) US6752330B2 (en)
EP (2) EP1303358B1 (en)
JP (2) JP2004504137A (en)
CN (2) CN1444511A (en)
AT (2) ATE285299T1 (en)
AU (2) AU2001280745A1 (en)
CA (2) CA2415371A1 (en)
DE (2) DE60107957T2 (en)
ES (1) ES2234866T3 (en)
WO (2) WO2002007897A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100381211C (en) * 2003-12-18 2008-04-16 西皮亚有限公司 Power sprayer
CN102834184A (en) * 2010-04-05 2012-12-19 瓦格纳喷涂技术有限公司 Fluid intake assembly for a fluid sprayer
US9038923B2 (en) 2010-04-05 2015-05-26 Wagner Spray Tech Corporation Fluid level indicator in an airless fluid sprayer
WO2021196540A1 (en) * 2020-04-03 2021-10-07 深圳市隐秀科技有限公司 Electric spraying device

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6502766B1 (en) * 2000-07-24 2003-01-07 The Procter & Gamble Company Liquid sprayers
DE20114619U1 (en) * 2001-09-04 2001-12-13 Schuler Pressen Gmbh & Co Device for transporting workpieces in a forming press
US7798185B2 (en) 2005-08-01 2010-09-21 Medical Instill Technologies, Inc. Dispenser and method for storing and dispensing sterile food product
US6669114B1 (en) 2002-07-10 2003-12-30 Campbell Hausfeld/Scott Fetzer Company Actuator and handle for a paint sprayer
US7066406B2 (en) * 2002-07-10 2006-06-27 Campbell Hausfeld/Scott Fetzer Company Paint sprayer
US20040134016A1 (en) * 2003-01-10 2004-07-15 Royal Appliance Manufacturing Company Suction wet jet mop
DE602004026423D1 (en) * 2003-02-13 2010-05-20 Black & Decker Inc PORTABLE SCRUBBING DEVICE
US7182280B2 (en) * 2003-05-19 2007-02-27 Jinhua Jinshun Tools Co., Ltd. DC power spraying tool
US7648083B2 (en) * 2003-12-18 2010-01-19 S.C. Johnson & Son, Inc. Power sprayer
US7097119B2 (en) * 2003-12-18 2006-08-29 Cepia, Llc Power sprayer
US7328859B2 (en) 2003-12-18 2008-02-12 Cepia, Llc Power sprayer
US7246755B2 (en) * 2003-12-18 2007-07-24 Cepia, Llc Power sprayer
US8602386B2 (en) * 2007-12-21 2013-12-10 S.C. Johnson & Son, Inc. Valve with actuator assist
US7384006B2 (en) * 2003-12-18 2008-06-10 Cepia, Llc Power sprayer
US7588198B2 (en) * 2003-12-18 2009-09-15 S.C. Johnson & Son, Inc. Power sprayer
US7175111B2 (en) * 2004-03-03 2007-02-13 Meadwestvaco Corporation Discharge/vent module for power sprayer
ES2275202T3 (en) * 2004-04-15 2007-06-01 Monsanto Europe Sa DEVICE FOR DISPENSING A LIQUID.
US7741109B2 (en) * 2004-06-02 2010-06-22 Watson James B Method for applying live bacteria liquid product
US8920391B2 (en) * 2004-06-18 2014-12-30 Sunless, Inc. Container for system for spray coating human subject
US20050279865A1 (en) * 2004-06-18 2005-12-22 Innovative Developments, Llc Fluid spraying system
US20100129557A1 (en) * 2004-06-18 2010-05-27 Mt Industries, Inc. Spray coating at least one portion of a subject
US20060013709A1 (en) * 2004-07-19 2006-01-19 Hudson William A Battery-powered spray wand
US7354008B2 (en) * 2004-09-24 2008-04-08 Bowles Fluidics Corporation Fluidic nozzle for trigger spray applications
US7219848B2 (en) * 2004-11-03 2007-05-22 Meadwestvaco Corporation Fluid sprayer employing piezoelectric pump
US20060153707A1 (en) * 2005-01-13 2006-07-13 Sweeton Steven L Battery operated spray head retrofittable onto existing pump spray containers and producing substantially continuous spray
US20060153709A1 (en) * 2005-01-13 2006-07-13 Sweeton Steve L Battery operated spray head having an improved housing
US7255294B2 (en) * 2005-01-13 2007-08-14 Meadwestvaco Corporation Battery operated spray head having an improved housing
US7414337B2 (en) * 2005-03-14 2008-08-19 Black & Decker Inc. Scrubber
US20060208005A1 (en) * 2005-03-17 2006-09-21 Sweeton Steve L Compact battery operated spray head fittable onto existing pump spray containers and providing improved balance
US20060289679A1 (en) * 2005-06-27 2006-12-28 Johnson Kaj A Modular sprayer
US7937792B2 (en) * 2006-10-19 2011-05-10 Black & Decker Inc. Pole scrubber
TWI346634B (en) * 2007-05-18 2011-08-11 Sikorsky Aircraft Corp Engine anticipation for rotary wing aircraft
US9545643B2 (en) 2008-10-22 2017-01-17 Graco Minnesota Inc. Portable airless sprayer
KR101694596B1 (en) 2008-10-22 2017-01-09 그라코 미네소타 인크. Portable airless sprayer
FR2949763B1 (en) * 2009-09-07 2011-11-25 Maitrise & Innovation PACKING AND DISPENSING DEVICE WITH MINIATURE ELECTRIC PUMP
US8493081B2 (en) 2009-12-08 2013-07-23 Magna Closures Inc. Wide activation angle pinch sensor section and sensor hook-on attachment principle
US9234979B2 (en) 2009-12-08 2016-01-12 Magna Closures Inc. Wide activation angle pinch sensor section
JP2011147900A (en) * 2010-01-22 2011-08-04 Tokai Rika Co Ltd Liquid discharge structure of liquid constant delivery apparatus
US8919669B2 (en) 2010-04-05 2014-12-30 Wagner Spray Tech Corporation Fluid intake assembly for remote fluid source
JP2012030165A (en) * 2010-07-29 2012-02-16 Hitachi Koki Co Ltd Sprayer
EP2872259B1 (en) * 2012-07-11 2020-11-04 Syngenta Participations AG Trigger sprayer comprising a nozzle toggle switch extending through an opening in the shroud
US9427129B2 (en) * 2012-10-12 2016-08-30 Antares Capital Lp Spray pattern adjustment for mop
US20150330089A1 (en) * 2013-01-24 2015-11-19 Graco Minnesota Inc. Pressure-assist hopper for integrated handheld texture sprayer
JP6112404B2 (en) * 2013-03-29 2017-04-12 株式会社吉野工業所 Trigger type spray container
JP2015009894A (en) * 2013-07-02 2015-01-19 株式会社三谷バルブ Motor-driven content discharge mechanism, and content discharge product provided with the motor-driven content discharge mechanism
US9950302B1 (en) 2014-01-13 2018-04-24 Crossford International, Llc Stand-alone chemical dispenser
US9821126B2 (en) * 2014-02-21 2017-11-21 Neogen Corporation Fluid atomizer, nozzle assembly and methods for assembling and utilizing the same
US9869161B2 (en) 2014-09-22 2018-01-16 General Electric Company Gas vent system and methods of operating the same
USD750333S1 (en) 2014-12-23 2016-02-23 Crossford International, Llc Chemical cleaning apparatus
EP3368228B1 (en) 2015-10-28 2022-07-06 DiversiTech Corporation Hand-held solid chemical applicator
US20170320078A1 (en) * 2016-05-09 2017-11-09 The Sherwin-Williams Company Sprayer
US11007545B2 (en) 2017-01-15 2021-05-18 Graco Minnesota Inc. Handheld airless paint sprayer repair
US11986850B2 (en) 2018-04-10 2024-05-21 Graco Minnesota Inc. Handheld airless sprayer for paints and other coatings
CN117046639A (en) 2019-05-31 2023-11-14 固瑞克明尼苏达有限公司 Hand-held fluid sprayer
USD959279S1 (en) 2020-04-07 2022-08-02 VB Brands LLC Spray bottle
JP7450879B2 (en) 2020-05-22 2024-03-18 旭サナック株式会社 paint gun
US10968903B1 (en) 2020-06-04 2021-04-06 Graco Minnesota Inc. Handheld sanitary fluid sprayer having resilient polymer pump cylinder
US10926275B1 (en) 2020-06-25 2021-02-23 Graco Minnesota Inc. Electrostatic handheld sprayer
US11877572B2 (en) * 2021-01-06 2024-01-23 David Girag Portable flame propelling device

Family Cites Families (106)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2117747A (en) 1936-06-26 1938-05-17 Smith Herman Milk-dispensing device
BE459433A (en) 1945-07-26 1900-01-01
FR1017696A (en) 1950-05-12 1952-12-17 Forges Ateliers Const Electr Sheaths for conductors and cables
US3137326A (en) 1960-09-15 1964-06-16 Welty Frank Method and apparatus for dispensing carbonated beverages from bulk containers
US3122324A (en) * 1962-02-16 1964-02-25 Winslow Mfg Corp Spraying mechanism
US3173584A (en) 1962-11-15 1965-03-16 Steve T Giavasis Portable motor driven dispensing devices
FR1494317A (en) 1966-07-29 1967-09-08 Liquid vaporizer
US3462082A (en) 1967-01-10 1969-08-19 Kastar Inc Fluid dispensing apparatus
US3565344A (en) 1967-06-30 1971-02-23 Mitsubishi Electric Corp Electric sprayer
US3490656A (en) 1968-05-21 1970-01-20 Kenneth A Taschner Compressed gas-type liquid dispenser
US3667655A (en) 1970-03-30 1972-06-06 Dow Chemical Co Method for the rapid assembly of diptubes into spray cans and a diptube useful therein
FR2101505A5 (en) 1971-06-23 1972-03-31 Congard Roger Paul
US3768734A (en) 1972-04-26 1973-10-30 Arrowhead Prod Corp Manually operated sprayer
US3758039A (en) * 1972-10-12 1973-09-11 W Wagner Spray gun
US3901449A (en) 1974-03-01 1975-08-26 Hudson Mfg Co H D Cordless electric sprayer
US3904116A (en) 1975-01-09 1975-09-09 Disston Inc Portable cordless sprayer
US4060182A (en) 1975-03-10 1977-11-29 Yoshito Kikuchi Bottle with electrically-operated pump
US3993250A (en) 1975-05-19 1976-11-23 Shure Alan H Apparatus for spraying liquid materials
US3986644A (en) 1975-05-21 1976-10-19 Diamond International Corporation Dispensing pump
USD244991S (en) 1975-09-15 1977-07-12 The Clorox Company Spray bottle
US4072252A (en) 1976-02-09 1978-02-07 The Afa Corporation Hand operated sprayer with automatic container vent
IT1071471B (en) 1976-10-18 1985-04-10 Spray Plast S R L MANUAL SPRAYER FOR LIQUIDS
DE2653981C3 (en) 1976-11-27 1979-08-16 J. Wagner Gmbh, 7990 Friedrichshafen Spray gun
US4153203A (en) 1977-03-02 1979-05-08 Tetsuya Tada Trigger type sprayer
JPS53144014A (en) 1977-05-20 1978-12-15 Masaya Koyama Automatic sprayer
DE2728683A1 (en) 1977-06-25 1979-01-11 Wella Ag DEVICE FOR FOAMING OR SPRAYING LIQUIDS
US4154375A (en) 1977-09-28 1979-05-15 Rockwell International Corporation Personal care sprayer
US4189098A (en) 1978-03-23 1980-02-19 Spray Tech Corporation Household spray apparatus
USD258800S (en) 1978-07-21 1981-04-07 The Clorox Company Dispensing container for fluids
US4187959A (en) 1978-08-17 1980-02-12 The Continental Group, Inc. Propellantless aerosol dispensing system
AU513729B2 (en) 1978-09-22 1980-12-18 Union Carbide Australia Limited Portable spray
US4286755A (en) * 1979-10-15 1981-09-01 Lenco, Inc. Valve for a sandblasting device
US4361256A (en) 1980-07-01 1982-11-30 Corsette Douglas Frank Dispenser having attached and sealed closure cap
WO1982002372A1 (en) 1980-12-30 1982-07-22 Corp Ethyl Trigger actuated pump
GB2094411B (en) 1981-03-09 1984-10-31 Brennenstuhl Hugo Gmbh & Co Kg Method and circuitry for operating an armature driven spray gun
US4434917A (en) 1981-05-26 1984-03-06 Yoshino Kogyosho Co., Ltd. Trigger-actuated atomizer
US4454965A (en) 1981-08-27 1984-06-19 Ethyl Products Company Child-resistant trigger pump dispenser
US4621770A (en) 1981-12-14 1986-11-11 Sayen Michael D Plant watering/misting device
US4527741A (en) 1983-06-13 1985-07-09 The Afa Corporation Trigger pump sprayer
US4618077A (en) 1984-03-07 1986-10-21 Corsette Douglas Frank Liquid dispensing pump
US4519518A (en) 1984-05-31 1985-05-28 Specialty Packaging Products, Inc. Means for mounting a closure in a predetermined position
US4618099A (en) 1984-07-13 1986-10-21 Kyushu Hitachi Maxell, Ltd. Electric spray
JPS6227059A (en) 1985-07-30 1987-02-05 Nippon Seiki Co Ltd Atomizer
US4706888A (en) 1986-07-11 1987-11-17 Calmar, Inc. Multi-purpose nozzle assembly
US4819835A (en) 1986-07-21 1989-04-11 Yoshino Kogyosho Co., Ltd. Trigger type liquid dispenser
US4767033A (en) 1986-07-31 1988-08-30 The Drackett Company Manually operated gear pump spray head
US4911361A (en) 1987-02-05 1990-03-27 Atsushi Tada Manually operated trigger type dispenser, method of assembling the same, and a spinner for use in the dispenser
US4953791A (en) 1987-04-24 1990-09-04 Atsushi Tada Manually operated trigger type dispenser, method of assembling the same, and a spinner for use in the dispenser
US4747523A (en) 1987-06-19 1988-05-31 Calmar, Inc. Manually actuated dispensing pump
US4790454A (en) 1987-07-17 1988-12-13 S. C. Johnson & Son, Inc. Self-contained apparatus for admixing a plurality of liquids
US4854480A (en) * 1988-01-04 1989-08-08 Shindo Robert S Long range trigger-actuated squirt gun
US4830235A (en) 1988-02-01 1989-05-16 Miller Michael D Siphon tube apparatus
US4940186A (en) 1988-10-18 1990-07-10 Atsushi Tada Manually operated trigger type dispenser, a spinner for use in the dispenser, and a flow-pattern switching mechanism for use in the dispenser
DE3836290A1 (en) 1988-10-25 1990-04-26 Erich Wunsch Spray can
DE3916021A1 (en) 1988-10-25 1990-11-22 Wunsch Erich SPRAY CAN
EP0365753B1 (en) 1988-10-25 1993-12-29 Erich Wunsch Spray mechanism for spray bottles
US4958754A (en) 1989-03-01 1990-09-25 Continental Sprayers, Inc. Dispenser or sprayer with vent system
GB2229617B (en) 1989-04-14 1993-10-27 Lin Hsien Chih Rechargeable garden sprayer
DE3915397A1 (en) 1989-05-11 1990-11-15 Fraunhofer Ges Forschung AIRLESS SPRAYER
US5150841A (en) 1989-09-11 1992-09-29 Dowbrands Inc. Liquid spray dispenser
EP0424571A1 (en) 1989-10-27 1991-05-02 Erich Wunsch Device for micro-spraying liquids
DE8912705U1 (en) 1989-10-27 1991-03-14 Wunsch, Erich, 7263 Bad Liebenzell Device for fine atomization of liquids
IT1239488B (en) 1990-03-27 1993-11-03 Guala Spa DEVICE FOR THE REVERSIBLE CONNECTION OF A PUMP SPRAYER OPERATED BY A TRIGGER ON THE NECK OF A CONTAINER HAND-HELD
DE59105655D1 (en) 1990-09-28 1995-07-13 Wella Ag Device for dispensing liquid from a clicked reservoir.
US5234166A (en) 1990-10-25 1993-08-10 Contico International, Inc. Spinner assembly for a sprayer
US5385302A (en) 1990-10-25 1995-01-31 Contico Low cost trigger sprayer
GB9023339D0 (en) 1990-10-26 1990-12-05 Ici Plc Dispensing of fluids
IT1251195B (en) 1991-08-30 1995-05-04 Coster Tecnologie Speciali Spa MANUAL SPRAYER DEVICE WITH COMPENSATION VALVE COMMANDED BY THE PISTON.
DE9110779U1 (en) 1991-08-31 1992-12-24 Wunsch, Eckart, Dipl.-Ing., 7542 Schömberg Device for fine atomization of liquids
US5238152A (en) 1992-02-24 1993-08-24 Afa Products Inc. Quick-locking child resistant bottle cap assembly
US5257724A (en) 1992-02-24 1993-11-02 Afa Products Inc. Tamper evident trigger sprayer bottle cap/bottle neck assembly
US5297701A (en) 1992-02-24 1994-03-29 Afa Products, Inc. All plastic trigger sprayer
US5195664A (en) 1992-04-03 1993-03-23 Steven Rhea All directional fluid pick-up
US5215227A (en) 1992-07-10 1993-06-01 Farner Norbert A Assailant marker
DE4231826A1 (en) 1992-09-23 1994-03-24 Wunsch Eckart Device for atomizing liquids
US5310089A (en) 1993-03-22 1994-05-10 Hudgins Richard G Liquid dispensing system
USD343577S (en) 1993-04-19 1994-01-25 Take 5 Trigger sprayer head
USD351646S (en) 1994-02-04 1994-10-18 Contico International, Inc. Trigger sprayer
US5467900A (en) 1994-03-16 1995-11-21 Afa Products, Inc. Precompression valve for trigger sprayer
US5395051A (en) 1994-04-18 1995-03-07 Wagner Spray Tech Corporation Twin tube locking assembly
US5472119A (en) 1994-08-22 1995-12-05 S. C. Johnson & Son, Inc. Assembly for dispensing fluids from multiple containers, while simultaneously and instantaneously venting the fluid containers
US5586688A (en) 1994-11-25 1996-12-24 Johnson Research & Development Company, Inc. Electric pump toy water gun
US5647539A (en) 1994-12-01 1997-07-15 Calmar Inc. Foamer nozzle assembly for trigger sprayer
US5622317A (en) 1994-12-12 1997-04-22 Contico International, Inc. Pressure buildup trigger sprayer
US5706984A (en) 1994-12-24 1998-01-13 Canyon Corporation Pump dispenser and a method of assembling the pump dispenser
US5605496A (en) * 1995-05-02 1997-02-25 The Pickard's Trust Abrasive blasting gun
US5667142A (en) * 1995-05-30 1997-09-16 Newstripe, Inc. Spray gun with removable supply line
US5704521A (en) 1995-06-06 1998-01-06 Calmar Inc. Trigger actuated sprayer
CA2184849A1 (en) 1995-09-27 1997-03-28 Donald D. Foster Liquid dispenser with trigger sprayer
US5716007A (en) 1995-12-29 1998-02-10 Nottingham-Spirk Design Associates, Inc. Battery operated fluid dispenser
US5716008A (en) 1996-03-04 1998-02-10 Nottingham-Spirk Design Associates, Inc. Trigger sprayer
US5752629A (en) 1996-04-12 1998-05-19 The Procter & Gamble Company Passive venting for pump dispensing device
US5806724A (en) 1996-06-04 1998-09-15 Contico International, Inc. Dispenser with improved bottle connection and method of making same
US5810209A (en) 1996-09-06 1998-09-22 Continental Sprayers International, Inc. Dispenser with improved bottle connection
US5725132A (en) 1996-09-25 1998-03-10 Contico International, Inc. Dispenser with snap-fit container connection
US5715974A (en) 1996-10-07 1998-02-10 Contico International, Inc. Trigger sprayer having central vent cylinder
USD406060S (en) 1996-12-20 1999-02-23 Reckitt & Colman Products Limited Trigger pump
USD406052S (en) 1996-12-20 1999-02-23 Reckitt & Colman Products Limited Bottle with trigger pump
US5845798A (en) 1997-03-15 1998-12-08 The Procter & Gamble Company Closure assembly having a deformable anti-backoff feature independent of the screw threads
USD405008S (en) 1997-08-14 1999-02-02 The Procter & Gamble Company Dispensing package
US5845820A (en) 1997-08-25 1998-12-08 Continental Sprayers International, Inc. Bayonet-type container and cap closure
US5865344A (en) * 1997-09-04 1999-02-02 Nagel; Dietmar Water gun with refillable pressurized bladder chamber
USD418404S (en) 1998-07-01 2000-01-04 The Procter & Gamble Company Dispensing package
US6116472A (en) 1998-12-15 2000-09-12 Calmar Inc. Trigger acutated pump sprayer
USD421388S (en) 1999-04-30 2000-03-07 Colgate-Palmolive Company Pump head
USD420914S (en) 1999-04-30 2000-02-22 Colgate-Palmolive Company Pump head

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100381211C (en) * 2003-12-18 2008-04-16 西皮亚有限公司 Power sprayer
CN102834184A (en) * 2010-04-05 2012-12-19 瓦格纳喷涂技术有限公司 Fluid intake assembly for a fluid sprayer
US9038923B2 (en) 2010-04-05 2015-05-26 Wagner Spray Tech Corporation Fluid level indicator in an airless fluid sprayer
CN102834184B (en) * 2010-04-05 2016-05-25 瓦格纳喷涂技术有限公司 For the fluid suction assembly of fluid ejector
US9604236B2 (en) 2010-04-05 2017-03-28 Jeffrey E. Sandahl Fluid intake assembly for a fluid sprayer
WO2021196540A1 (en) * 2020-04-03 2021-10-07 深圳市隐秀科技有限公司 Electric spraying device

Also Published As

Publication number Publication date
US6752330B2 (en) 2004-06-22
WO2002007897A1 (en) 2002-01-31
ATE285299T1 (en) 2005-01-15
EP1303358B1 (en) 2004-12-22
CA2415371A1 (en) 2002-01-31
JP3763475B2 (en) 2006-04-05
AU2001280745A1 (en) 2002-02-05
WO2002007896A1 (en) 2002-01-31
EP1303357B1 (en) 2006-01-11
EP1303357A1 (en) 2003-04-23
AU2001277139A1 (en) 2002-02-05
CN1444511A (en) 2003-09-24
DE60107957T2 (en) 2005-12-08
JP2004504137A (en) 2004-02-12
DE60116635D1 (en) 2006-04-06
JP2004504138A (en) 2004-02-12
CA2415370A1 (en) 2002-01-31
ATE315441T1 (en) 2006-02-15
DE60107957D1 (en) 2005-01-27
ES2234866T3 (en) 2005-07-01
US20020011531A1 (en) 2002-01-31
EP1303358A1 (en) 2003-04-23

Similar Documents

Publication Publication Date Title
CN1450937A (en) Liquid sprayers
US6981658B2 (en) Liquid sprayers
US5397034A (en) Finely atomizing device for fluids
CN106705326B (en) Upper water-adding type humidifier
CN107234015B (en) Electrostatic coating intermittent paint supply system and method for high-conductivity water-based paint
US10500601B2 (en) Integrated spray machine
CN110116064B (en) Multifunctional portable invertible spray pump
WO2005099908A1 (en) Liquid dispensing device
CN210145152U (en) Rotating type cover-opening fragrance sprayer
CN110479534A (en) A kind of automotive trim plastic parts spray-painting plant
CN205606806U (en) Humidification atomizer with USB socket
CN210642990U (en) Nanometer spraying water meter
CN211695259U (en) Folding humidifier
CN209548432U (en) A kind of essential oil aroma diffusing machine
CN106040473B (en) The electric air pump handle cover of sprayer
CN2586824Y (en) Carburetor oil suction pump having hidden oil container
CN101147898A (en) Electric sprayer
CN218495284U (en) Domestic indoor air pollution handles atomizer
CN218046479U (en) Water cannon special effect device
CN221208520U (en) Art paint spraying device based on remove formaldehyde
CN218389779U (en) Electronic atomizer
CN218691901U (en) Engine throttle valve cleaning device
CN216610814U (en) Air purifier
CN201815422U (en) Electric spray gun capable of adjusting air inlet pressure of storage container
CN205593104U (en) Portable USB formula humidification spraying appearance

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
AD01 Patent right deemed abandoned
C20 Patent right or utility model deemed to be abandoned or is abandoned